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SN74CBT3245A,pdf(OCTAL FET BUS

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The SN74CBT3245A provides eight bits of high-speed TTL-compaTIble bus switching. The SOIC, SSOP, TSSOP, and TVSOP packages provide a standard ’245 device pinout. The low on-state resistance of the switch allows connecTIons to be made with minimal propagaTIon delay. The device is organized as one 8-bit switch. When output enable (OE) is low, the switch is on, and port A is connected to port B. When OE is high, the switch is open, and the high-impedance state exists between the two ports. To ensure the high-impedance state during power up or power down, OE should be TIed to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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